<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>登录页面</title>
    <link rel="stylesheet" href="css/common.css">
    <link rel="stylesheet" href="css/login.css">
</head>
<body>
    <!-- 导航栏 -->
    <div class="nav">
        星聊空间
    </div>
    <!-- 主窗口区 -->
     <div class="login-container">
        <div class="login-dialog">
            <h2>登录</h2>
            <div class="row">
                <span>用户名</span>
                <input type="text" id="username" style="font-size: 13px;">
            </div>
            <div class="row">
                <span>密码</span>
                <input type="password" id="password" >
            </div>
            <div class="row">
                <button id="submit" onclick="login()">登录</button>
            </div>
            <div class="row">
                <button id="submit" onclick="regist()">去注册</button>
            </div>
        </div>
     </div>
     <!-- 引入jquery -->
     <script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
     <!-- 实现前后端交互逻辑 -->
      <script>
        function regist(){
            location.assign('/register.html')
        }
        function login(){
            /* 1.先获取到输入框的内容 */
            let username = document.querySelector('#username').value;
            let password = document.querySelector('#password').value;
            if(username == "" || password == ""){
                alert("用户名或密码不能为空！")
                return;
            }
            console.log(username);
            console.log(password);
            /* 2.发送ajax请求 */
            $.ajax({
                url: '/user/login',
                type: 'post',
                data: {
                    username: username,
                    password: password
                },
                success: function(result){
                console.log(result);

                    //3.处理响应
                    if(result && result.userId >0){
                        alert("登陆成功！");
                        location.assign('/client.html')
                    }else{
                        alert("登录失败，用户名或密码不正确！")
                    }
                }
            });
        }
      </script>
    </body>
</html>